<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>var | let | const</title>
</head>

<body>


    <script>
        var funcs = [];
        for (let i = 0; i < 10; i++) {
            funcs.push((function(value) {
                return function() {
                    console.log(value); //调用立即执行函数
                }
            }(i)));
        }
        funcs.forEach(function(func) {
            func();
        })
    </script>

</body>

</html>